An item designed to automatically relieve vacuum, by the intake of air, when the internal pressure falls below atmospheric pressure. See also valve, vacuum regulating.
Classification: Other taps, cocks, valves, etc., nesoi
NSN 6150-00-408-0875
NSN 5895-00-968-6424
NSN 5998-00-252-5761
NSN 5855-01-330-3669
NSN 5920-01-210-7648
NSN 5895-01-456-3707
NSN 5895-00-153-2595
NSN 2925-01-146-0278
NSN 5915-01-180-2870
NSN 5930-01-644-4113
NSN 4140-01-130-5873
NSN 5930-00-485-3558